xfs: minor cleanup for xfs_get_blocks

Simplify the control flow a bit in preparation for O_ATOMIC-related
changes.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Christoph Hellwig 2018-03-13 23:15:32 -07:00 • committed by Darrick J. Wong
commit 1d4352de51